Finding the Fourth Proportional to 2,027,979.94, 2,798,612.35 and 1,122,561.94
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Solution
The fourth proportional to 2,027,979.94, 2,798,612.35 and 1,122,561.94 is: 1,549,135.50
Step by Step Solution
- Step 1: Write the proportion equation
2,027,979.94 : 2,798,612.35 = 1,122,561.94 : x - Step 2: Convert to fraction form
2,027,979.94/2,798,612.35 = 1,122,561.94/x - Step 3: Cross multiply
2,027,979.94x = 2,798,612.35 × 1,122,561.94 - Step 4: Simplify right side
2,027,979.94x = 3,141,615,708,923.96 - Step 5: Solve for x
x = 3,141,615,708,923.96/2,027,979.94 - Step 6: Final answer
x = 1,549,135.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.